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Anon25 [30]
4 years ago
13

The diagram below shows the layers of a rock having an ammonite:

Biology
1 answer:
sergiy2304 [10]4 years ago
5 0

Answer:

Fossil Z is younger than Fossil Y.

Explanation:

For any age-related questions in geology, we have to consider the basic principle of stratigraphy. According to which, sediment layers on top harbor younger fossils whereas <u>layers</u> on the <u>bottom</u> have <u>older fossils</u>. In the case given here, Fossil Z is younger because it is in the top layer and Fossil Y is in the middle layer. The other two options are completely wrong because Fossil Y cannot be older than Fossi X and likewise, Fossil Z doesn't exist in multiple periods rather it is present only once.

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If black and white true-breeding mice are mated and the result is all gray offspring, what inheritance pattern would this be ind
ludmilkaskok [199]

Answer:

Option B, Co-dominance

Explanation:

This is an example of codominance inheritance pattern.

When two alleles representing two different characteristic traits are expressed equally in the offsprings resulting from a cross, then this genetic inheritance pattern is called as codominance .

For example -

A red flower with genotype "RR" is crossed with a white flower "rr" resulting into pink color offsrping with genotype "Rr"

Here, both the red and white traits of flower color are expressed equally thereby giving pink color to the offspring flower.

The same thing is happening in case of true breeding black and white mice.

Hence, option B is correct

5 0
3 years ago
The long band of nerve fibers that connects the brain's hemispheres is:
deff fn [24]
 The answer is Corpus callosum. The largest structure of the human brain, consisting of the two cerebral hemispheres connected by the corpus callosum and covered by the cerebral cortex. Corpus callosum is a long, thick band of nerve fibers that connects the left and right hemispheres of the brain and allows communication between them. Development of the CC makes communication between the hemispheres more efficient.
7 0
3 years ago
Answer the following questions based on the article you just read.MicroscopeName one advantage of light microscopesover electron
Marina86 [1]

Sorry dude I don't know

3 0
3 years ago
10. If there are very few differences in the DNA of two different species, what can we infer about their relationship? For examp
Burka [1]

Answer:

Chimpanzees.

Explanation:

DNA sequence similarity is helpful to determine the evolutionary relationship between the organisms. The evolutionary tree can easily be constructed if the percentage of the DNA sequence similarity is known.

The human shows 98.8% sequence similarity with chimpanzee. The sequence similarity between human and gorilla DNA is 98.4%. This means Chimpanzee are more closely related to humans than gorillas.

Thus, the answer is chimpanzee.

4 0
3 years ago
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Serggg [28]
The answer is 6 according to my reaserch 6 nutrients are essential to the body. It helps build up your health with mainly 6 main nutrients
5 0
3 years ago
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